AGRICULTURAL INDEX 



601 



Hybridization, Vegetable — Continued 

 Fi species cross between hordeuni vulgare 

 and hordeum muranium. W. S. Malloch. 

 bibliog il Am Nat 55:2Sl-8 My '21 

 Fertile wheat- rye hybrids. H. H. Love and 

 W. T. Craig, bibliog il J Heredity 10:195- 

 207 My '19; Same cond. Int R Sci & Prac 

 Ag lO.no 10:1103-4 O '19; Abstract. Ag Gaz 

 of Canada 8:243 Mr '21 

 Fungus disease suppressing expression of 

 awns in a wheat -spelt hybrid. L. E. 

 Thatcher, il J Ag Research 21:699-700 Ag 15 

 '21 

 Hybrid bearded irises. A. J. Bliss. Gard 



Chron (Lond) 67:76, 88 F 14-21 '20 

 Hybrid perennial sunliowers. T. D. A. Cocker- 

 ell. Bot Gaz 67:264-6 Mr '19 

 Hvbrid vigor and its meaning. D. F. Jones, 

 il Sci Am (233 Broadway, N.T. 10c) 121: 

 230-1 S 6 '19 

 Hybridisation experiments between differ- 

 ent varieties of the cultivated and wild 

 strawberry, in Alaska. Int R Sci & Prac 

 Ag 9, no 6:681-2 Je '18 

 Hybridisation of eucalypts. Australian For J 



4:43 P '21 

 Hybridising bearded irises. R. S. Sturtevant. 



Gard Chron (Lond) 67:184 Ap 10 '20 

 Hybrids among species of spirogyra. E. N. 

 Transeau. bibliog il Am Naturalist (Science 

 Press, Garrison, N.Y. 80c) 53:109-19 Mr '19 

 Improvement of cereals, flax and rye-grass 

 in Ireland, by selection and hybridisation. 

 Int R Sci & Prac Ag ll,no 4:437-9 Ap '20 

 Improvement of rice by selection and hybridi- 

 sation in Java. P. Viellard. Int R Sci & 

 Prac Ag ll,no 5:567-9 My '20 

 Inheritance of glume length in triticum po- 

 lonicum, a case of zygotic inhibition (J. 

 Genetics 7, no. 2:125-33 'IS). W. O. Back- 

 house. Exp Sta Record 40:140-1 F '19 

 Inheritance of huU-lessness in oat hybrids. H. 

 H. Love and G. P. McRostie. il Am Natur- 

 alist (Science Press, Garrison, N.Y. 80c) 53: 

 5-32 Ja '19 

 Inheritance of rust resistance in a family 

 derived from a cross between durum and 

 common wheat. L. R. Waldron. il N D Ag 

 Exp B 147:1-24 '21 

 Inheritance of the weak awn in certain avena 

 crosses and its relation to other characters 

 of the oat grain. A. C. Eraser, bibliog il 

 Cornell Ag Exp Memoir 23:635-76 '19; Same. 

 Cornell Ag Exp Rep 1919, v 1:635-76 '20; 

 Abstract. Exp Sta Record 41:641-2 N '19 

 Interspecific hybrids in crepis. E. B. Bab- 

 cock and J. L. Collins, il Cal Univ Pub 

 Ag Sci v 2,no 5 191-204p '20 (20c) 

 Limits in hybridization of vitis rotundifolia 

 with related species and genera. L. R. 

 Detjen. bibliog il N C Ag Exp Tech B 17: 

 1-26 '19 

 Mendelian behavior of aurea character in a 

 cross between two varieties of nicotiana 

 rustica. H. A. Allard. Am Nat 53:234-8 My 

 •19; Abstract. Int R Sci & Prac Ag 10,no 7: 

 869-70 Jl '19 

 Morphological and cytological researches on 

 the hybrids aegilops ovata X triticum vul- 

 gare. W. Bally, il Int R Sci & Prac Ag 

 11, no 1:27-30 Ja '20 

 Natural crossing in wheat. H. K. Hayes, il 

 J Heredity 9:326-30 N '18; Abstract. Int R 

 Sci & Prac Ag 10,no 4:399-400 Ap '19 

 Natural crossing in wheat. J. T. Pridham. 11 

 Ag Gaz of New South Wales 31:457-61 Jl 

 '20 

 Natural wheat-rye hybrids of 1918. C. E. 

 Leighty. 11 J Heredity 11:129-36 Mr '20 

 New craft of making plants to order. J. L. 



Collins. 11 Gard M 34:40-1 S '21 

 Number and behaviour of the chromosomes 

 in the hybrids wheat X wheat and wheat 

 X rye: experiments made in Japan. K. 

 Hitoshi. Int R Sci & Prac Ag 10,no 10: 

 1101-3 O '19 

 Observations on hybrids between cultivated 

 and wild oats. E. Tschermak. Int R Sci & 

 Prac Ag 10,no 7:862-4 Jl '19 

 Occurrence of the fixed intermediate, 

 hordeum intermedium Haxtoni. in crosses 

 between h. vulgare pallidum and h. dis- 



tichon palmella. H. V. Harlan and H. K. 

 Hayes, bibliog il J Ag Research 19:575- 

 90 S 1 '20 

 On the behaviour of hybrids resulting from 

 the crossing of a mutant with the original 

 variety. C. Fruwirth. Int R Sci & Prac Ag 

 11, no 3:310-13 Mr '20 

 Preliminary study of the Inheritance of rust 

 resistance in oats. J: H. Parker, bibliog 11 

 Am Soc Agron J 12:23-38 Ja '20; Summary. 

 Ag Gaz of Canada 7:282 Mr '20 

 Pre-mendelian age. R. A. Rolfe. Gard Chron 



(Lond) 66:288 D 6 '19 

 Pyrus diversifolia x p. malus. G: Fraser. 11 Ag 

 J of British Columbia 6:41 Ap '21 



Reaction of the F^ generation of a cross be- 

 tween a common and a durum wheat to 

 two biologic forms of puccinia graminis. 

 G. F. Puttick. bibliog Phyt 11:205-13 My '21 



Researches on the genetic composition of cer- 

 tain types of peas. B. Kajanus and S. O. 

 Bergs. Int R Sci & Prac Ag 11, no 9:964-5 

 S '20 



Some Fi hybrids of vitis rotundifolia with re- 

 lated species and genera. L. R. Detjen. 

 bibliog il N C Ag Exp Tech B 18:1-51 '19 



Stability of hybrids of Pima X Gila cotton 

 in Arizona. T. H. Kearney and W. G. Wells. , 

 Int R Sci & Prac Ag 10,no 2:171-3 F '19 



Story of the Bartram oak. A. Holllck. 11 Sci 

 Am (233 Broadway, N.Y. 10c) 121:422-f O 25 

 '19 



Structure of the maize ear as Indicated in zea- 

 euchlaena hybrids. G. N. Collins. 11 J Ag 

 Research 17:127-35 Je '19 



Study of hybrid oats, avena sterilis X avena 

 orlentalis. S. Wakabayashi. bibliog Am Soc 

 Agron J 13:259-66 S '21 



Study of hybrids in Egyptian cotton. T: H. 

 Kearney and W. G. Wells, bibliog Am Nat- 

 uralist (Science Press, Garrison, N. Y. 80c) 

 52:491-506 O '18 



Sur les hybrides producteurs directs. E. Rou- 

 art. J Ag Pratique 33:105-6 F 5 '20 



Teas' hybrid catalpa. D. F. Jones and W. O. 

 Fllley. 11 J Heredity 11:16-24 Ja '20 



Technique of cross-fertilization in potatoes. 

 R. N. Salaman. 11 Potato M 3:8-f Ag '20 



Teosinte-niaize hybrid. G. N. Collins and J. 

 H. Kempton. bibliog 11 J Ag Research 19:1- 

 38 Ap 1 '20; Abstract. Exp Sta Record 43, 

 no 6:529-30 '20 



Twin hybrids from- crosses of Oenothera 

 Lamarckiana and Franciscana with cb. 

 pycnocarpa, in the Fi and h\. G: F. Atkinson, 

 bibliog Am Philosoohical Soc Pro (104 S. 5th 

 st, Philadelphia $3 per yr.) 57,no 2:130-43 

 '18 



What can we do to increase and better the 

 fruit crop? J. L. Collins. 11 Gard M 34:152- 

 4 N '21 

 See also Mendellsra; Plant breeding 



Hydra 

 Nature's diary. A. B. Klugh. Farmer's Ad- 

 vocate 55:1246 Jl 8 '20 



Hydrangeas 

 Easter hydrangeas, il Am Flor 52:741 My 3 '19 

 Great panicled hydrangea. G: W. Kerr. 11 



Country Gent 84:84 F 22 '19 

 Hvdrangea American everbloomlng. Am Flor 



53:400 S 6 '19 ^ . ^^ 



Hydrangeas; arborvim amator. Gard Chron 



Am 24:369-70 N '20 

 Suggestions for plant growers; hydrangeas. 



il Am Flor 54:690 Ap 17 '20 

 Suggestions for plant growers; hydrangeas. 



il Am Flor 56:2 Ja 15 '21 



Hydrants 

 Hydrant from pipe fittings. I. D. Wood, (.oun- 

 try Gent 85:30 Jl 31 '20 

 Hydrated lime-sulfur 

 Some facts about dry lime sulfur. A. J. Gun- 

 derson. Better Fruit 14:42 Ap '20 

 Hydraulic power. See Water power 



Hydraulic rams . 



Engine and pump combined. R. L. Blasm- 

 game. Nat Stock & F 42:1153 F 22 '19 



Hydraulic ram. J. Paiill. J Dept Ag S Austra- 

 lia 22:568-70 F '19 



Hydraulic ram. C. H. Thomas. Farmer's Ad- 

 vocate 55:1688 S 23 '20 



